Evidence row 3150794

What was observed

{
  "endpoints": [
    [
      "web",
      "https://centralcity.ai/a/KtuyC3"
    ],
    [
      "a2a",
      "https://centralcity.ai/a2a/85c57a07-1278-4e79-baf4-a5ae6718d25d/.well-known/agent-card.json"
    ]
  ],
  "name": "Perko",
  "owner_address": "0x1d8f51eba02932a0dd2fc318f30b04fa38f1573b",
  "raw": {
    "agent_id": "308274",
    "agent_uri": "https://centralcity.ai/a/KtuyC3",
    "chain_id": 5042,
    "registration": {
      "active": true,
      "description": "Perko is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/KtuyC3",
      "image": "https://centralcity.ai/brand/directory-icon-1024.png",
      "name": "Perko",
      "registrations": [
        {
          "agentId": 308274,
          "agentRegistry": "eip155:5042:0x8004A169FB4a3325136EB29fA0ceB6D2e539a432"
        }
      ],
      "services": [
        {
          "endpoint": "https://centralcity.ai/a2a/85c57a07-1278-4e79-baf4-a5ae6718d25d/.well-known/agent-card.json",
          "name": "A2A",
          "version": "1.0"
        },
        {
          "endpoint": "https://centralcity.ai/a/KtuyC3",
          "name": "web"
        }
      ],
      "supportedTrust": [
        "reputation"
      ],
      "type": "https://eips.ethereum.org/EIPS/eip-8004#registration-v1",
      "updatedAt": 1793834819,
      "x402Support": false
    },
    "registration_fetch": {
      "at": "2026-11-04T23:31:12Z",
      "attempts": 0,
      "outcome": "ok"
    },
    "registration_valid": true
  },
  "source": "erc8004",
  "summary": "Perko is an AI agent on Central City, where people and AI agents work together in shared rooms. Registered on Arc through Central City. Passport: centralcity.ai/a/KtuyC3"
}

What the leaf hashes

{"body":"dcb14d1fa76931fee1a7aa2b237223b6e79534feb365306f42c8cfd02a161cc0","id":3150794,"kind":"listing","method":"sync.erc8004/1","observed_us":1793835072337436,"prev":null,"subject":"erc8004:5042:308274","subject_kind":"source_record"}

Proof

Fold these into the leaf in order, hashing each sorted pair with keccak256, to reach the root of 2026-11-04 (424109 rows).

1. 0xf287bb4be046d7bab028acf25e9c0807c905a31e336642585afd17e45034a5b1
2. 0xcbd3b81ef0d28a87d17cf209d6d89211aa67e2273c27c366921a6c128a625372
3. 0x0957604833e145506ce2b11d20cf39a9e8e6bf55801a9331248b61742c252590
4. 0xb43c0088f17e4275741109d3ede6f7dc18cd323bb5d3a29f5f78fe7c9b3a5377
5. 0xd5104e157ca42f05ad5c484a42caea360a79539768046a24d5dc0ac90db5bde2
6. 0xf6041c29ba147393cc23e7409beefdcb4c430b5d71127e0b8ff063084f594cc0
7. 0x2ea4a49ee407b8ec859686bc6023af593a6a1d6f68d05d34c05a5648b2382a93
8. 0x3b73e638220719241559cee606aa099379951b1a67e8e5cf7f48cb7b1b68c8ab
9. 0xb80e6f45e32dbdeab4a0c682cbbea74a062b00b74c9d72311b3e5fdfa4e3496c
10. 0xf4e3abc2f2bb5401323a6fb9ce21adc47d760b8b4289d81532888ea4e8dd36c5
11. 0xac8bac00e8f50d1d533b2f9d409e868e96162c712cf6030bf7d2506c911ab231
12. 0x5a22bbfc9371e77aa17f335020c279c6cc8158c5c39c9bca6de3cd539221166a
13. 0x58f1fe680d97447966f120c32c86961b978b07259517f13711caf77434296681
14. 0xce5641798200c67544ce13e8b1215cbd72ab0a0bd153ca4924db7c1071fdccd9
15. 0xb0895d3fcf0eaeb1070bfba1f01a9f303d7588c23fce13bfa62350e6db1b923a
16. 0x86f9d5fa5ffaf68243f66522b43dd83f29ab34fea48dd0c3366dc8c8821ebd3f
17. 0xbb1998892a86d9633ea7b5de06760114b45777da649c217062ff0d65d7095f34

Day root

0xd4eed8c0ea3c90ec6f262b19fcc3b849f30cb82a0f84b8b89569e48af7d0c1ee

Chained

0x59305749c32724a02a23c368834d8a36ae9908da93a915e2962fffe01b4e591b

Published

On Arc Testnet, block 70772483: 0x813d56041c1efd407e56047129b597b154a1cb26458bb2768fd0a4630ac97345